Finding the Fourth Proportional to 1,073,285.05, 1,609,982.70 and 274,573.48
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Solution
The fourth proportional to 1,073,285.05, 1,609,982.70 and 274,573.48 is: 411,874.32
Step by Step Solution
- Step 1: Write the proportion equation
1,073,285.05 : 1,609,982.70 = 274,573.48 : x - Step 2: Convert to fraction form
1,073,285.05/1,609,982.70 = 274,573.48/x - Step 3: Cross multiply
1,073,285.05x = 1,609,982.70 × 274,573.48 - Step 4: Simplify right side
1,073,285.05x = 442,058,552,678.80 - Step 5: Solve for x
x = 442,058,552,678.80/1,073,285.05 - Step 6: Final answer
x = 411,874.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.